package com.itheima.dao;
/*
* 类型转换
* */
public class demo4 {
    public static void main(String[] args) {
       /* int a = 10;			// int 4个字节
        double b = a;		// double 8个字节
        System.out.println(b); //10.0*/

       /*int a= 10;
       double b=a;
        System.out.println(b);*/

       int a= 10;
       double b=a;
        System.out.println(b);
    }
}
